Demonstrations · Electricity and Circuits
Double C-Size Battery Holder
Cat. No. PHD-03-Z12-9000-010
Single (1 EA)
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Demonstrations
Classroom and lecture-hall apparatus for physics, chemistry, earth science and maths.
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 100 mm Focal Length, 50 mm Diameter, 16.5 mm Thick
Cat. No. PHD-13-G11-2004-003
50 mm Diameter, 16.5 mm ThickSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 100 mm Focal Length, 50 mm Diameter, 8 mm Thick
Cat. No. PHD-13-G11-2004-004
50 mm Diameter, 8 mm ThickSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 150 mm Focal Length
Cat. No. PHD-13-G11-2004-005
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 250 mm Focal Length, 50 mm Diameter, 3 mm Thick
Cat. No. PHD-13-G11-2004-006
50 mm Diameter, 3 mm ThickSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 250 mm Focal Length, 50 mm Diameter, 4 mm Thick
Cat. No. PHD-13-G11-2004-007
50 mm Diameter, 4 mm ThickSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Lens, 300-1000 mm Focal Length Range
Cat. No. PHD-13-G11-2004-008
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Glass Top Spinning Base, 20 mm Focal Length
Cat. No. PHD-13-G11-2008-001
125 mmSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Concave Lens, 20 cm Focal Length, Acrylic
Cat. No. PHD-13-A11-2003-001
86 mmSingle (1 EA)
Demonstrations · Electricity and Circuits
Double Contact Morse Code Key
Cat. No. PHD-03-Z28-9000-002
Single (1 EA)
Demonstrations · Reflection and Refraction
Double Convex and Concave Glass Lens Pair, 200 mm Focal Length
Cat. No. PHD-13-G11-2003-001
40 mm DiameterPack of 2 (PK)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, 200 mm Focal
Cat. No. PHD-13-G11-2006-001
75 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, 300-1000 mm Focal Length Range
Cat. No. PHD-13-G11-2004-014
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, Focal Length 100 mm
Cat. No. PHD-13-G11-2004-010
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, Focal Length 150 mm
Cat. No. PHD-13-G11-2004-011
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, Focal Length 200 mm
Cat. No. PHD-13-G11-2004-012
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, Focal Length 250 mm
Cat. No. PHD-13-G11-2004-013
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Glass Lens, Focal Length 50 mm
Cat. No. PHD-13-G11-2004-009
50 mm DiameterSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Convex Lens, 20 cm Focal Length, Clear and Frosted, Acrylic
Cat. No. PHD-13-A11-2004-001
89 mmSingle (1 EA)
Demonstrations · Electricity and Circuits
Double D-Size Battery Holder
Cat. No. PHD-03-Z12-9000-011
Single (1 EA)
Demonstrations · Reflection and Refraction
Double Extra Dense Flint Glass Prism, R=1.71-1.74
Cat. No. PHD-13-G16-2008-001
1.25 inSingle (1 EA)
Demonstrations · Reflection and Refraction
Double Folding Magnifier with 25 mm Lens, 7x
Cat. No. PHD-13-Z12-2002-001
Single (1 EA)
Demonstrations · Reflection and Refraction
Double Folding Magnifier with 38 mm Lens, 7x
Cat. No. PHD-13-Z12-2003-001
Single (1 EA)
Demonstrations · Force and Motion
Double Long Pulley, 2 in and 1.5 in Wheels
Cat. No. PHD-07-Z18-2004-001
Single (1 EA)